Update resources/function_help/json/is_empty

Co-Authored-By: Matthias Kuhn <matthias@opengis.ch>
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lbartoletti 2019-12-16 06:32:23 +01:00 committed by GitHub
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{
"name": "is_empty",
"type": "function",
"description": "Returns true if a geometry is empty (without coordinates), false if the geometry is not empty and NULL if there is no geometry.",
"description": "Returns true if a geometry is empty (without coordinates), false if the geometry is not empty and NULL if there is no geometry. See also `is_empty_or_null`.",
"arguments": [ {"arg":"geom","description":"a geometry"}],
"examples": [ { "expression":"is_empty(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)'))", "returns":"false"},
{ "expression":"is_empty(geom_from_wkt('LINESTRING EMPTY'))", "returns":"true"},